Insulated beverage server



FIG. 1 is a top, front, and right side perspective view of an insulated beverage server showing my new design;

FIG. 2 is a right side elevational view thereof; the side opposite is a mirror image;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for an insulated beverage server, as shown and described. 